Author: Gustavo Pereira
Date: 18:14:48 12/20/99
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On December 20, 1999 at 17:53:06, Len Eisner wrote: >On December 20, 1999 at 16:52:07, Torstein Hall wrote: > >>On December 19, 1999 at 20:10:59, Len Eisner wrote: >> >>>In the following endgame position, Fritz 6 plays f7?? I know this is the >>>tablebase at work but it seems strange to me. And after …a2, Fritz 6 plays >>>Kg2?? which also look weird. Then after Black queens the pawn with a1-Q, Fritz >>>6 goes out of the table base and plays f8=q which is only good for a draw >>>according the Thompson database on the Fritz 5 CD. If I had the Nalimov QPvsQ >>>tablebase, Fritz 6 would have played g8=q and won. But that table base does not >>>come with the program. >>> >>>I created this position to test the table base. It did not arise in an actual >>>game. >>> >>>wKg1,Pf6,g7/bKb5,Pa3 >>> >>>Len >> >>Strange, My F6 plays g8Q, says that its check mate in 7 and do not hit the >>tablebase at all. Are you sure you not are playing in sparring mode, friend mode >>or other weak mode? >> >>Torstein > >My Fritz 6 plays f7 in analysis mode and announces mate in 13! If I set it for >the long game level 40/40 it moves immediately and announces mate in 25! > >I have the tablebases from Hiarcs 7.32 loaded on my hard drive. I'm not >actually using the ones that came on the F6 CD. I wonder if that could account >for the difference. > >Len Are you sure all the tablebases for 5 pieces are present in your drive? If they are not that may explain the problem. If you use tb's it is much better if you have all the 5 pieces tb's, not just a set of them.
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